Analysis of information sources in references of the Wikipedia article "The Callisto Protocol" in Indonesian language version.
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(bantuan); Missing or empty |user=; Missing or empty |number= (help)|title=
(bantuan); Missing or empty |user=; Missing or empty |number= (help)|title=
(bantuan); Missing or empty |user=; Missing or empty |number= (help)|title=
(bantuan); Missing or empty |user=; Missing or empty |number= (help)